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| Phone | Samsung SGH-A657 | HTC EVO 4G LTE | Sony Ericsson T68i | Samsung Messager R450 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4.7" diag. 16 : 9 |
? |
2.1" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 1,420 mAh | 2,000 mAh | 700 mAh | 960 mAh |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S4 | ? | ? |
| RAM | ? | 1 GB | ? | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | - | 8 megapixel | - | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | - | - |
| Front Camera | - | 1 megapixel | - | - |
| Weight |
4.34 oz (123g) |
5.05 oz (143g) |
2.96 oz (84g) |
4.58 oz (130g) |
| Dimensions |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
5.3" x 2.7" x 0.35" (135 x 69 x 8.9 mm) |
3.94" x 1.89" x 0.79" (100 x 48 x 20.1 mm) |
4.4" x 2" x 0.7" (112 x 51 x 17.8 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 25 CDMA: 800, 850, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | HSDPA 3.6 | LTE (Cat 3) | GPRS | 1xRTT |
| Features | ||||
| Flashlight | Yes | - | - | - |
| GPS / Location | Yes | n/a | - | Yes |
| Ruggedized | Yes | - | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - |
| Mobile Hotspot | - | n/a | - | - |
| NFC | - | Yes | - | - |
| USB | Yes |
Yes Micro-USB |
- | Yes |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | Yes | Yes |
| Voice Dialing | - | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | - | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | Yes | - |
| EMS / Picture Messaging | - | n/a | Yes | - |
| Instant Messaging | Yes | n/a | - | - |
| MMS | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | Yes | n/a | - | Yes |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | Yes | n/a | Yes | - |
| Voice Memo | Yes | n/a | Yes | Yes |
| Software | ||||
| BREW | - | n/a | - | Yes |
| Games | Yes | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | - | - |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | - | Yes |
| Samsung SGH-A657 | HTC EVO 4G LTE | Sony Ericsson T68i | Samsung Messager R450 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A657 | HTC EVO 4G LTE | Sony Ericsson T68i | Samsung Messager R450 |
